UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011000.upa.cvt Date: 0000Z 10 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 10 JAN 26 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1005 108 -12.7 -14.5 86 1.8 -13.1 360 3 260.1 260.3 259.8 263.4 1.23 1 1000 146 -12.7 -14.8 84 2.1 -13.2 5 3 260.5 260.6 260.0 263.7 1.21 2 961 448 -14.3 -15.7 89 1.4 -14.6 46 17 261.8 262.0 261.0 265.0 1.17 3 934 665 -12.7 -14.2 89 1.5 -13.0 75 28 265.6 265.8 264.1 269.3 1.36 4 925 739 -12.7 -14.7 85 2.0 -13.2 85 31 266.3 266.5 264.6 270.0 1.32 5 906 897 -12.9 -16.8 73 3.9 -13.7 84 32 267.7 267.9 265.2 270.9 1.13 6 876 1153 -14.9 -20.9 60 6.0 -16.0 82 34 268.2 268.4 265.0 270.6 0.82 7 850 1381 -16.1 -20.8 67 4.7 -16.9 80 35 269.3 269.4 265.8 271.7 0.86 8 844 1434 -16.5 -20.8 69 4.3 -17.3 80 35 269.4 269.5 265.9 271.9 0.86 9 832 1542 -15.9 -20.0 71 4.1 -16.7 81 35 271.1 271.3 267.3 273.8 0.94 10 787 1961 -15.9 -25.9 42 10.0 -17.5 82 35 275.5 275.6 269.4 277.2 0.59 11 764 2184 -17.3 -32.3 26 15.0 -19.3 83 35 276.3 276.4 269.5 277.4 0.33 12 700 2837 -19.1 -41.1 12 22.0 -21.3 85 35 281.3 281.4 272.2 281.8 0.15 13 677 3085 -19.9 -42.9 11 23.0 -22.1 94 34 283.1 283.2 273.2 283.6 0.13 14 671 3151 -20.3 -43.3 11 23.0 -22.4 96 33 283.4 283.4 273.3 283.8 0.12 15 652 3365 -18.3 -32.3 28 14.0 -20.3 104 32 288.0 288.1 276.3 289.3 0.39 16 619 3750 -21.3 -34.3 30 13.0 -22.9 118 31 288.9 288.9 276.6 290.0 0.34 17 604 3932 -19.3 -28.3 45 9.0 -20.8 124 30 293.2 293.3 279.2 295.2 0.61 18 578 4259 -20.5 -24.8 68 4.3 -21.3 136 28 295.5 295.7 280.6 298.3 0.88 19 529 4910 -24.3 -27.3 76 3.0 -24.8 160 25 298.6 298.7 281.8 301.1 0.77 20 514 5119 -24.3 -27.2 77 2.9 -24.8 168 24 301.0 301.2 282.8 303.6 0.80 21 500 5320 -25.7 -28.5 77 2.8 -26.1 175 23 301.7 301.8 283.0 304.1 0.73 22 422 6528 -34.7 -37.6 75 2.9 -35.0 186 28 305.2 305.2 284.0 306.4 0.36 23 400 6900 -38.1 -40.8 76 2.7 -38.3 190 29 305.5 305.5 284.0 306.4 0.27 24 300 8800 -54.9 -58.4 65 3.5 -54.9 200 36 308.0 308.0 284.6 308.1 0.05 25 250 9940 -64.7 -68.4 60 3.7 -64.7 195 46 309.9 309.9 285.3 309.9 0.02 26 243 10113 -66.5 -69.9 62 3.4 -66.5 197 43 309.7 309.7 285.2 309.8 0.01 27 234 10342 -65.7 -69.3 61 3.6 -65.7 200 40 314.3 314.3 286.9 314.3 0.01 28 218 10770 -68.3 -72.1 58 3.8 -68.3 205 33 316.7 316.7 287.6 316.7 0.01 29 200 11290 -66.3 -69.8 61 3.5 -66.3 200 29 327.8 327.8 291.1 327.8 0.02 30 191 11571 -64.3 -68.2 59 3.9 -64.3 205 27 335.3 335.3 293.2 335.4 0.02 31 150 13050 -64.7 -68.7 58 4.0 -64.7 230 17 358.6 358.6 298.4 358.7 0.02 32 130 13922 -64.3 -68.5 56 4.2 -64.4 237 23 374.3 374.3 301.4 374.5 0.03 33 100 15510 -67.5 -72.0 53 4.5 -67.5 250 33 397.3 397.3 304.9 397.4 0.02 34 75 17228 -71.1 -75.7 50 4.6 -71.2 423.8 423.8 308.2 423.9 0.02 TRP 218 10770 -68.3 -72.1 58 3.8 -68.3 205 33 316.7 316.7 287.6 316.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 53.04 % Est. max temperature: -3.69 C = 25.35 F Sfc-Lift cond lev (LCL): 976.11 mb = 329.84 m = 1082.13 ft T: -13.67 C 700-500 lapse rate: 2.66 C/km ThetaE index: 0.30 C Layer 876.0- 850.0 mb Conv cond level (CCL): 720.00 mb = 2626.66 m = 8617.56 ft Mean mixing ratio: 1.23 g/kg Conv temperature: 6.96 C = 44.53 F Cap Strength: 28.41 C Lifted Index: 28.71 C Risk: None Lifted Index @300 mb: 29.16 C Lifted Index @700 mb: 13.99 C Showalter Index: 24.79 C Risk: None Total Totals Index: 14.50 C Risk: None Vertical Totals Index: 9.60 C Cross Totals Index: 4.90 C K Index: -33.20 Risk: None Sweat Index: 93.00 Risk: None Energy Index: 6.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.16 J/kg Max Up Vert Vel: 7.89 m/s Conv Inhibition (B-): 25190.61 J/kg Cap Strength: 28.66 C Lift Cond Lev (LCL): 924.07 mb = 746.64 m = 2449.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 135 at 22 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1005 108 360 3 -0.0 -3.0 | 320 24 15.5 -18.2 1 1000 146 5 3 -0.3 -3.0 | 320 24 15.2 -18.2 2 925 739 85 31 -30.9 -2.7 | 41 24 -15.4 -17.9 3 850 1381 80 35 -34.5 -6.1 | 42 29 -19.0 -21.3 4 700 2837 85 35 -34.9 -3.1 | 47 27 -19.4 -18.3 5 500 5320 175 23 -2.0 22.9 | 240 15 13.5 7.7 6 400 6900 190 29 5.0 28.6 | 237 24 20.5 13.3 7 300 8800 200 36 12.3 33.8 | 236 33 27.8 18.6 8 250 9940 195 46 11.9 44.4 | 223 40 27.4 29.2 9 218 10770 205 33 13.9 29.9 | 244 33 29.4 14.7 10 200 11290 200 29 9.9 27.3 | 245 28 25.4 12.0 11 150 13050 230 17 13.0 10.9 | 279 29 28.5 -4.3 12 100 15510 250 33 31.0 11.3 | 275 47 46.5 -4.0 Wind Parameters Mean winds (0-6000m): 104.6 at 29.0 knts Storm direction: 134.6 at 21.7 knts Shear (0-3000m) pos: 5.6 neg: 0.3 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 95.8 deg Storm rel helicity (0-3000m) pos: 296.4 neg: 0.0 tot: 296.4 m^2/s^2 ave: 98.8 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 7.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.51 Bulk Shear: 61.47 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 61 13 349 22| 24.5 0.0 24.5|184.2 0.0 184.2 368.3 0.97| 27.9 27.2 1000 81 22 19 20| 17.0 0.0 17.0|254.0 0.0 254.0 254.0 0.93| 20.6 19.1 1500 81 26 28 22| 11.3 0.6 12.0|257.5 0.0 257.5 171.7 0.88| 14.6 12.9 2000 81 28 33 23| 8.5 0.5 9.0|263.6 0.0 263.6 131.8 0.88| 11.2 9.9 2500 82 30 36 24| 6.8 0.4 7.2|269.5 0.0 269.5 107.8 0.88| 9.2 8.1 3000 83 31 38 24| 5.6 0.3 5.9|296.4 0.0 296.4 98.8 0.85| 8.8 7.4 4000 89 31 44 22| 3.9 0.2 4.2|346.6 0.0 346.6 86.7 0.80| 9.2 7.4 5000 95 30 49 19| 2.9 0.2 3.0|379.1 0.0 379.1 75.8 0.81| 9.2 7.5 6000 105 29 58 15| 2.6 0.2 2.7|387.1 -3.8 383.3 63.9 0.76| 8.3 6.3 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260110.00.gif